Results 81 to 90 of about 1,407 (189)

Synthesis and study on biological activity of nitrogen-containing heterocyclic compounds – regulators of enzymes of nucleic acid biosynthesis [PDF]

open access: yes, 2013
Results of investigations on the development of new regulators of functional activity of nucleic acid biosynthesis enzymes based on polycyclic nitrogen-containing heterosystems are summarized.
Alexeeva, I.V., Shved, A.D.
core   +2 more sources

Quinazolino Benzothiazine Derivatives. Part II

open access: yes, 1976
Department of Chemistry, Punjab University, Chandigarh-14 Manuscript received 19 May 1975; revised 5 December 1975; accepted 28 January 1976 Anthranilic acids (III) on condensation with isatoic anhydride (II) furnish Anthraniloyl anthranilic acids (V), which on reaction with carbon disulphide/sodium hydroxide give 2-thio-3(2'-carboxy phenyl) 1, 2, 3, 4-
SARDUL SINGH   +2 more
openaire   +1 more source

A REVIEW: THIAZINES DERIVATIVES TREATED AS POTENTIAL ANTIMICROBIAL AGENTS [PDF]

open access: yes, 2017
In recent days, heterocycles and their derivatives have become strong reflection in medicinal research and pharmaceutical fields because of their practical pharmacological and biological activities.
Makkar, Reena, Sharma, Praveen Kumar
core   +1 more source

SYNTHESIS AND MICROBIOLOGICAL EVALUATION OF 1-(4-METHYL-6-NITRO-2H-BENZO[B] [1,4]THIAZINE-3(4H)-YLIDENE)HYDRAZINE-1,1-DIOXIDE DERIVATIVES [PDF]

open access: yes, 2017
  Objective: The objective of this work was to synthesize and evaluate antimicrobial properties of 1-(4-methyl-6-nitro-2H-benzo[b][1,4]thiazine- 3(4H)-ylidene)hydrazine-1,1-dioxide derivatives.Methods: These new compounds were synthesized by ...
Goyal, Anju, Maheshwari, Monika
core   +1 more source

1-(4-Chloro­phen­yl)-2-[4-hy­droxy-3-(3-meth­oxy­benzo­yl)-1,1-dioxo-2H-1λ6,2-benzothia­zin-2-yl]ethanone [PDF]

open access: yes, 2012
In the title mol­ecule, C24H18ClNO6S, the heterocyclic thia­zine ring adopts a half-chair conformation with the S and N atoms displaced by 0.406 (5) and 0.444 (5) Å, respectively, on opposite sides of the mean plane formed by the remaining ring atoms ...
Ahmad   +13 more
core   +3 more sources

A REVIEW: ANTIMICROBIAL AGENTS BASED ON NITROGEN AND SULFUR CONTAINING HETEROCYCLES [PDF]

open access: yes, 2017
At present, heterocyclic compounds and their derived forms have become strong reflection in medicinal research field because of their positive pharmacological and biological properties.
Sharma, Praveen Kumar
core   +1 more source

Concise total syntheses of (–)-jorunnamycin A and (–)-jorumycin enabled by asymmetric catalysis [PDF]

open access: yes, 2019
The bis-tetrahydroisoquinoline (bis-THIQ) natural products have been studied intensively over the past four decades for their exceptionally potent anticancer activity, in addition to strong gram-positive and -negative antibiotic character.
Allan, Kevin M.   +16 more
core  

SYNTHESIS AND ANTI-MICROBIAL ACTIVITY OF 1-(6-NITRO-2H-BENZO[b][1,4]THIAZINE-3(4H)-YLIDENE)HYDRAZINE-1,1-DIOXIDE DERIVATIVES [PDF]

open access: yes, 2016
Objective: The objective of this research was to synthesize and evaluate anti-microbial properties of 1-(6-nitro-2H-benzo[b][1,4]thiazine-3(4H)-ylidene)hydrazine-1,1-dioxide derivatives.Methods: These new compounds were synthesized by reaction of 2H ...
Goyal, Anju, Maheshwari, Monika
core   +1 more source

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